Ошибка после установки "JB ZEN SIMPLE SHOP" - Joomla 1.5: Шаблоны, разметка и макеты вывода

<?php

/**
*** Zen Grid 2.0 Joomla Template Framework is a commercial Joomla template from Joomla Bamboo
*** @author    Joomlabamboo
*** @copyright (C) 2010 by Joomlabamboo
*** @license   Commercial
**/

// no direct access
defined( '_JEXEC' ) or die( 'Restricted index access' );

define('ZEN_DOCUMENT_ROOT',		isset($_SERVER['DOCUMENT_ROOT'])? $_SERVER['DOCUMENT_ROOT'] : '');
define('ZEN_SCRIPT_FILENAME',	isset($_SERVER['SCRIPT_FILENAME'])? $_SERVER['SCRIPT_FILENAME'] : '');
define('ZEN_SCRIPT_NAME',	isset($_SERVER['SCRIPT_NAME'])? $_SERVER['SCRIPT_NAME'] : '');


$zenDocRoot	= preg_replace('/\/$/', '', ZEN_DOCUMENT_ROOT);
$zenBaseUrl = preg_replace('/\/~(\w+)/','',JURI::root(true));
if(!(file_exists( $zenDocRoot.$zenBaseUrl."/templates/zengridframework/index.php")))
{
	// Remove '~path/' if exists
	$scriptName = preg_replace('/~(\w+)\//','',ZEN_SCRIPT_NAME);
	// Build doc root from other server variables
	$zenDocRoot = str_replace($scriptName,'',ZEN_SCRIPT_FILENAME);
	// Strip possible trailing slash
	$zenDocRoot = preg_replace('/\/$/', '', $zenDocRoot);
}

$logopath ="templates/$this->template/images/logo";
$shimmer ="1";

if(file_exists( $zenDocRoot.$zenBaseUrl."/templates/zengridframework/index.php")) :
	require("templates/zengridframework/index.php");

else :

?>
<body style="background:#f9f9f9">
<div style="width:500px;margin:140px auto;height:70px;background:#fffbcc;padding:20px;border:1px solid #ddd;color:#444;line-height:2em">The template you are attempting to use requires the Zen Grid2 Framework.<br /> Please refer to the Zen Grid2 framework documentation for more information.</div>
</body>
<?php
endif;
?>